Drilling device for mold machining

Abstract

The utility model relates to the technical field of die machining, and discloses a drilling device for die machining, which solves the problem that the size of the hole diameter is inconvenient to adjust at present, and comprises a machining table, a replacement mechanism is arranged on the top of the machining table, and an adjusting mechanism is arranged on the replacement mechanism. The replacing mechanism comprises a motor located above the machining table, a transmission shaft is fixedly installed on the motor, a U-shaped plate is fixedly installed at the bottom end of the transmission shaft, and a drill bit is arranged in the U-shaped plate. According to the drill bit clamping device, through cooperation of the bidirectional lead screw, the nut, the sliding plate and the inner rod, when the hand wheel is rotated clockwise, the two clamping blocks can be away from each other conveniently, the two limiting cylinders are separated from the two side rods respectively, a drill bit can be detached conveniently, and when the hand wheel is rotated anticlockwise, the two clamping blocks can be close to each other conveniently; and the two limiting barrels are arranged on the side rods in a sleeving mode correspondingly, so that the drill bit is fixed conveniently, the drill bit is replaced conveniently, and the hole diameter is adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of mold processing, in particular to a drilling device for mold processing. Background Art

[0002] A mold refers to a tool that makes a blank become a part with a specific shape and size under the action of an external force. It is widely used in punching, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and compression or injection molding of engineering plastics, rubber, ceramics and other products. The mold has a specific contour or inner cavity shape. The contour shape with a cutting edge can make the blank separate according to the contour shape. The mold needs to be drilled using a drilling device during the processing; according to the patent document with the authorization announcement number: CN213531750U, named "A drilling device for mold production and processing", its support frame is fixedly installed at the bottom of the support plate, the motor is fixedly installed at the bottom of the inner cavity of the support frame, the output shaft of the motor passes through the support frame and extends to the bottom of the support frame and is fixedly connected to the drill bit, and a bearing is provided at the connection between the output shaft of the motor and the support frame; but the following defects still exist:

[0003] The drill bit is fixed on the output shaft of the motor, so it is inconvenient to replace the drill bit, and thus it is inconvenient to adjust the size of the hole. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a drilling device for mold processing, which effectively solves the problem that it is inconvenient to adjust the size of the hole.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drilling device for mold processing, comprising a processing table, a replacement mechanism is installed on the top of the processing table, and an adjustment mechanism is installed on the replacement mechanism;

[0006] The replacement mechanism includes a motor located above the processing table, a transmission shaft is fixedly installed on the motor, a U-shaped plate is fixedly installed on the bottom end of the transmission shaft, a drill bit is arranged in the U-shaped plate, two through grooves are symmetrically arranged on the top of the U-shaped plate, inner rods are fixedly installed inside the two through grooves, slides are movably sleeved on the outer sides of the two inner rods, clamping blocks are fixedly installed on the two slides, and the drill bit is located between the two clamping blocks.

[0007] Preferably, two side rods are symmetrically fixedly connected to the outer side of the drill bit, and limiting cylinders are fixedly installed on the tops of the two clamping blocks, and the two limiting cylinders are respectively sleeved on the outer sides of the two side rods.

[0008] Preferably, the top of the U-shaped plate is symmetrically and fixedly connected with top block one and top block two, the transmission shaft is located between top block one and top block two, and a through slot two is provided on the transmission shaft. A side of top block one close to top block two is rotatably connected with a bidirectional screw rod, an end of the bidirectional screw rod away from top block one passes through through slot two and top block two and is fixedly installed with a handwheel, and the bidirectional screw rod is rotatably connected with top block two, and two nuts are symmetrically threaded on the outer side of the bidirectional screw rod, and the two nuts are respectively fixed to the tops of the two slides.

[0009] Preferably, the adjustment mechanism includes a vertical plate fixed to the top of the processing table, a top plate is fixedly installed on the top of the vertical plate, a translation plate is provided below the top plate, a cylinder one is fixedly installed between the translation plate and the vertical plate, a cylinder two is fixedly installed at the bottom of the translation plate, a lifting plate is fixedly installed at the bottom end of the cylinder two, and the motor is fixed to the bottom of the lifting plate.

[0010] Preferably, an L-shaped round rod is fixedly connected between the bottom of the top plate and the vertical plate, and the translation plate is movably sleeved on the outer side of the L-shaped round rod.

[0011] Preferably, a U-shaped round rod is fixedly installed on the top of the lifting plate, and the U-shaped round rod passes through the translation plate and is movably connected to the translation plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model, through the cooperation between the bidirectional screw rod and the screw nut and the slide plate and the inner rod, when the hand wheel is rotated clockwise, the two clamping blocks are moved away from each other, and the two limiting cylinders are respectively separated from the two side rods, which is convenient for the removal of the drill bit; when the hand wheel is rotated counterclockwise, the two clamping blocks are moved closer to each other, and the two limiting cylinders are respectively sleeved on the side rods, which is convenient for fixing the drill bit, thereby facilitating the replacement of the drill bit and adjusting the size of the hole diameter;

[0014] (2) The new type facilitates the rotation of the drill bit through the cooperation between the motor, the transmission shaft and the U-shaped plate, and facilitates the stable descent of the drill bit to drill holes in the mold through the cooperation between the cylinder 2, the lifting plate, the U-shaped round rod and the translation plate. The position of the drill bit can be adjusted according to the drilling position through the cooperation between the cylinder 1 and the translation plate and the L-shaped round rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of a drilling device used for mold processing of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the replacement mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the clamping block structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0021] In the figure: 1. processing table; 2. changing mechanism; 201. motor; 202. nut; 203. bidirectional screw; 204. top block 1; 205. through slot 1; 206. clamping block; 207. drill bit; 208. slide plate; 209. U-shaped plate; 2010. top block 2; 2011. hand wheel; 2012. inner rod; 2013. through slot 2; 2014. transmission shaft; 2015. side rod; 2016. limiting cylinder; 3. adjusting mechanism; 301. vertical plate; 302. cylinder 1; 303. U-shaped round rod; 304. top plate; 305. translation plate; 306. cylinder 2; 307. lifting plate; 308. L-shaped round rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1 It is given that the utility model comprises a processing table 1 , a replacement mechanism 2 is installed on the top of the processing table 1 , and an adjustment mechanism 3 is installed on the replacement mechanism 2 .

[0024] Specifically, by Figure 2-3The replacement mechanism 2 includes a motor 201 located above the processing table 1, a transmission shaft 2014 is fixedly installed on the motor 201, a U-shaped plate 209 is fixedly installed on the bottom end of the transmission shaft 2014, a drill bit 207 is arranged in the U-shaped plate 209, two through grooves 205 are symmetrically arranged on the top of the U-shaped plate 209, inner rods 2012 are fixedly installed inside the two through grooves 205, slide plates 208 are movably sleeved on the outer sides of the two inner rods 2012, clamping blocks 206 are fixedly installed on the two slide plates 208, the drill bit 207 is located between the two clamping blocks 206, two side rods 2015 are symmetrically fixedly connected to the outer side of the drill bit 207, and the tops of the two clamping blocks 206 are fixedly installed with limiting cylinders 2016. 16 are respectively sleeved on the outside of the two side rods 2015, the top of the U-shaped plate 209 is symmetrically fixedly connected with the top block 1 204 and the top block 2010, the transmission shaft 2014 is located between the top block 1 204 and the top block 2010, and the transmission shaft 2014 is provided with a through slot 2013, the top block 1 204 is rotatably connected with the side of the top block 2010 close to the top block 2010, the end of the two-way screw rod 203 away from the top block 1 204 passes through the through slot 2013 and the top block 2010 and is fixedly installed with a handwheel 2011, and the two-way screw rod 203 is rotatably connected with the top block 2010, and the outer side of the two-way screw rod 203 is symmetrically threaded with two screw nuts 202, and the two screw nuts 202 are respectively fixed to the top of the two slide plates 208;

[0025] When in use, first rotate the handwheel 2011 clockwise to drive the bidirectional screw rod 203 to rotate clockwise, and drive the two slide plates 208 to slide along the two inner rods 2012 respectively through the two screw nuts 202. At the same time, the two clamping blocks 206 move away from each other to release the fixation of the drill bit 207, until the two limit cylinders 2016 are respectively detached from the two limit cylinders 2016. At this time, the drill bit 207 can be disassembled. When the handwheel 2011 is rotated counterclockwise, the bidirectional screw rod 203 is driven to rotate counterclockwise, and the two clamping blocks 206 are driven to move closer to each other to clamp the drill bit 207, so that the two limit cylinders 2016 are respectively sleeved on the outside of the two side rods 2015. At this time, the drill bit 207 can be fixed, and finally the drill bit 207 is replaced to adjust the size of the aperture.

[0026] Specifically, by Figure 4It is given that the adjustment mechanism 3 includes a vertical plate 301 fixed to the top of the processing table 1, a top plate 304 is fixedly installed on the top of the vertical plate 301, a translation plate 305 is provided below the top plate 304, a cylinder 1 302 is fixedly installed between the translation plate 305 and the vertical plate 301, a cylinder 2 306 is fixedly installed at the bottom of the translation plate 305, a lifting plate 307 is fixedly installed at the bottom end of the cylinder 2 306, a motor 201 is fixed to the bottom of the lifting plate 307, an L-shaped round rod 308 is fixedly connected between the bottom of the top plate 304 and the vertical plate 301, the translation plate 305 is movably sleeved on the outside of the L-shaped round rod 308, a U-shaped round rod 303 is fixedly installed on the top of the lifting plate 307, the U-shaped round rod 303 penetrates the translation plate 305 and is movably connected to the translation plate 305;

[0027] When in use, first start the motor 201 to drive the transmission shaft 2014 to rotate, and drive the drill bit 207 to rotate through the U-shaped plate 209, then start the cylinder 2 306 to drive the lifting plate 307 to move downward, and through the cooperation between the translation plate 305 and the U-shaped round rod 303, the lifting plate 307 is stably lowered, and the drill bit 207 is driven to move downward to drill holes in the mold. When the cylinder 1 302 is started, the translation plate 305 is driven to slide along the L-shaped round rod 308, and the drill bit 207 is moved horizontally. Finally, the position of the drill bit 207 is adjusted according to the position of the drilling hole.

Claims

1. A drilling device for mold processing, comprising a processing table (1), characterized in that: A replacement mechanism (2) is installed on the top of the processing table (1), and an adjustment mechanism (3) is installed on the replacement mechanism (2); The replacement mechanism (2) comprises a motor (201) located above the processing table (1), a transmission shaft (2014) being fixedly mounted on the motor (201), a U-shaped plate (209) being fixedly mounted on the bottom end of the transmission shaft (2014), a drill bit (207) being arranged inside the U-shaped plate (209), two through slots (205) being symmetrically arranged on the top of the U-shaped plate (209), inner rods (2012) being fixedly mounted inside the two through slots (205), slide plates (208) being movably sleeved on the outer sides of the two inner rods (2012), clamping blocks (206) being fixedly mounted on the two slide plates (208), and the drill bit (207) being located between the two clamping blocks (206).

2. A drilling device for mold processing according to claim 1, characterized in that: The outer side of the drill bit (207) is symmetrically fixedly connected to two side rods (2015), and the tops of the two clamping blocks (206) are fixedly installed with limiting cylinders (2016), and the two limiting cylinders (2016) are respectively sleeved on the outer sides of the two side rods (2015).

3. The drilling device for mold processing according to claim 1, characterized in that: The top of the U-shaped plate (209) is symmetrically fixedly connected with a top block 1 (204) and a top block 2 (2010); a transmission shaft (2014) is located between the top block 1 (204) and the top block 2 (2010); a through slot 2 (2013) is provided on the transmission shaft (2014); a bidirectional screw rod (203) is rotatably connected to a side of the top block 1 (204) close to the top block 2 (2010); an end of the bidirectional screw rod (203) away from the top block 1 (204) passes through the through slot 2 (2013) and the top block 2 (2010) and is fixedly mounted with a hand wheel (2011); the bidirectional screw rod (203) is rotatably connected to the top block 2 (2010); two screw nuts (202) are symmetrically threadedly sleeved on the outer side of the bidirectional screw rod (203); and the two screw nuts (202) are respectively fixed to the tops of the two slide plates (208).

4. The drilling device for mold processing according to claim 1, characterized in that: The adjustment mechanism (3) comprises a vertical plate (301) fixed to the top of the processing table (1); a top plate (304) is fixedly mounted on the top of the vertical plate (301); a translation plate (305) is provided below the top plate (304); a cylinder 1 (302) is fixedly mounted between the translation plate (305) and the vertical plate (301); a cylinder 2 (306) is fixedly mounted on the bottom of the translation plate (305); a lifting plate (307) is fixedly mounted on the bottom end of the cylinder 2 (306); and a motor (201) is fixed to the bottom of the lifting plate (307).

5. A drilling device for mold processing according to claim 4, characterized in that: An L-shaped round rod (308) is fixedly connected between the bottom of the top plate (304) and the vertical plate (301), and the translation plate (305) is movably sleeved on the outer side of the L-shaped round rod (308).

6. A drilling device for mold processing according to claim 4, characterized in that: A U-shaped round rod (303) is fixedly mounted on the top of the lifting plate (307), and the U-shaped round rod (303) penetrates the translation plate (305) and is movably connected to the translation plate (305).

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